000056072 001__ 56072
000056072 005__ 20200221144249.0
000056072 0247_ $$2doi$$a10.3389/fpls.2016.00579
000056072 0248_ $$2sideral$$a95054
000056072 037__ $$aART-2016-95054
000056072 041__ $$aeng
000056072 100__ $$aZalloni, E.
000056072 245__ $$aClimatic signals from intra-annual density fluctuation frequency in mediterranean pines at a regional scale
000056072 260__ $$c2016
000056072 5060_ $$aAccess copy available to the general public$$fUnrestricted
000056072 5203_ $$aTree rings provide information about the climatic conditions during the growing season by recording them in different anatomical features, such as intra-annual density fluctuations (IADFs). IADFs are intra-annual changes of wood density appearing as latewood-like cells within earlywood, or earlywood-like cells within latewood. The occurrence of IADFs is dependent on the age and size of the tree, and it is triggered by climatic drivers. The variations of IADF frequency of different species and their dependence on climate across a wide geographical range have still to be explored. The objective of this study is to investigate the effect of age, tree-ring width and climate on IADF formation and frequency at a regional scale across the Mediterranean Basin in Pinus halepensis Mill., Pinus pinaster Ait., and Pinus pinea L. The analyzed tree-ring network was composed of P. pinea trees growing at 10 sites (2 in Italy, 4 in Spain, and 4 in Portugal), P. pinaster from 19 sites (2 in Italy, 13 in Spain, and 4 in Portugal), and P. halepensis from 38 sites in Spain. The correlations between IADF frequency and monthly minimum, mean and maximum temperatures, as well as between IADF frequency and total precipitation, were analyzed. A significant negative relationship between IADF frequency and tree-ring age was found for the three Mediterranean pines. Moreover, IADFs were more frequent in wider rings than in narrower ones, although the widest rings showed a reduced IADF frequency. Wet conditions during late summer/early autumn triggered the formation of IADFs in the three species. Our results suggest the existence of a common climatic driver for the formation of IADFs in Mediterranean pines, highlighting the potential use of IADF frequency as a proxy for climate reconstructions with geographical resolution.
000056072 536__ $$9info:eu-repo/grantAgreement/EUR/COST/STREeSS-FP1106
000056072 540__ $$9info:eu-repo/semantics/openAccess$$aby$$uhttp://creativecommons.org/licenses/by/3.0/es/
000056072 590__ $$a4.298$$b2016
000056072 591__ $$aPLANT SCIENCES$$b20 / 211 = 0.095$$c2016$$dQ1$$eT1
000056072 592__ $$a1.973$$b2016
000056072 593__ $$aPlant Science$$c2016$$dQ1
000056072 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/publishedVersion
000056072 700__ $$0(orcid)0000-0002-7585-3636$$ade Luis, M.$$uUniversidad de Zaragoza
000056072 700__ $$aCampelo, F.
000056072 700__ $$0(orcid)0000-0003-0993-5286$$aNovak, K.
000056072 700__ $$aDe Micco, V.
000056072 700__ $$aDi Filippo, A.
000056072 700__ $$aVieira, J.
000056072 700__ $$aNabais, C.
000056072 700__ $$aRozas, V.
000056072 700__ $$aBattipaglia, G.
000056072 7102_ $$13006$$2430$$aUniversidad de Zaragoza$$bDpto. Geograf. Ordenac.Territ.$$cÁrea Geografía Física
000056072 773__ $$g7 (2016), 579 [11 pp]$$pFront. plant sci.$$tFRONTIERS IN PLANT SCIENCE$$x1664-462X
000056072 8564_ $$s1381305$$uhttps://zaguan.unizar.es/record/56072/files/texto_completo.pdf$$yVersión publicada
000056072 8564_ $$s97960$$uhttps://zaguan.unizar.es/record/56072/files/texto_completo.jpg?subformat=icon$$xicon$$yVersión publicada
000056072 909CO $$ooai:zaguan.unizar.es:56072$$particulos$$pdriver
000056072 951__ $$a2020-02-21-13:27:02
000056072 980__ $$aARTICLE